From: Junio C Hamano <junkio@cox.net>
Date: Tue, 03 Apr 2007 18:22:55 GMT
Subject: Re: Distribution of longest common hash prefixes
Message-ID: <7vhcrxz5a8.fsf@assigned-by-dhcp.cox.net>
In-Reply-To: <Pine.LNX.4.64.0704031046150.6730@woody.linux-foundation.org>

Linus Torvalds <torvalds@linux-foundation.org> writes:

> Yeah, the short SHA1 form is obviously always going to be risky. But in 
> practice, since people almost always use it just for commits, it's 
> probably good enough in practice, and even if you get a collision in 8 
> nibbles, most of the time it will probably be trivial to figure out which 
> one was meant, so it's not like it's a disaster if somebody ends up 
> reporting a bug with a non-unique abbreviation.

Are you hinting to update sha1_name.c::get_sha1() so that we do
not accept abbreviated non-commit object names?